12113011112 has 8 divisors (see below), whose sum is σ = 22711895850. Its totient is φ = 6056505552.

The previous prime is 12113011051. The next prime is 12113011129. The reversal of 12113011112 is 21111031121.

It can be written as a sum of positive squares in only one way, i.e., 11914595716 + 198415396 = 109154^2 + 14086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757063187 + ... + 757063202.

Almost surely, 2^12113011112 is an apocalyptic number.

It is an amenable number.

12113011112 is a deficient number, since it is larger than the sum of its proper divisors (10598884738).

12113011112 is a wasteful number, since it uses less digits than its factorization.

12113011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514126395 (or 1514126391 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12113011112 its reverse (21111031121), we get a palindrome (33224042233).

The spelling of 12113011112 in words is "twelve billion, one hundred thirteen million, eleven thousand, one hundred twelve".